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i386.md: Use define_constants for unspec numbers.

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* config/i386/i386.md: Use define_constants for unspec numbers.
        * config/i386/i386.c: Likewise.

From-SVN: r53448
This commit is contained in:
Richard Henderson 2002-05-14 00:43:37 -07:00 committed by Richard Henderson
parent 3b7dcffac9
commit 8ee41eaf16
3 changed files with 259 additions and 193 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-05-14 Richard Henderson <rth@redhat.com>
* config/i386/i386.md: Use define_constants for unspec numbers.
* config/i386/i386.c: Likewise.
2002-05-13 Mark Mitchell <mark@codesourcery.com>
* fixinc/inclhack.def (winidss_valist): Limit applicability.

60
gcc/config/i386/i386.c
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@ -2885,9 +2885,9 @@ symbolic_operand (op, mode)
if (GET_CODE (op) == SYMBOL_REF
|| GET_CODE (op) == LABEL_REF
|| (GET_CODE (op) == UNSPEC
&& (XINT (op, 1) == 6
|| XINT (op, 1) == 7
|| XINT (op, 1) == 15)))
&& (XINT (op, 1) == UNSPEC_GOT
|| XINT (op, 1) == UNSPEC_GOTOFF
|| XINT (op, 1) == UNSPEC_GOTPCREL)))
return 1;
if (GET_CODE (op) != PLUS
|| GET_CODE (XEXP (op, 1)) != CONST_INT)
@ -2899,7 +2899,7 @@ symbolic_operand (op, mode)
return 1;
/* Only @GOTOFF gets offsets. */
if (GET_CODE (op) != UNSPEC
|| XINT (op, 1) != 7)
|| XINT (op, 1) != UNSPEC_GOTOFF)
return 0;
op = XVECEXP (op, 0, 0);
@ -3649,8 +3649,7 @@ x86_64_sign_extended_value (value)
cases. */
case CONST:
if (GET_CODE (XEXP (value, 0)) == UNSPEC
&& XVECLEN (XEXP (value, 0), 0) == 1
&& XINT (XEXP (value, 0), 1) == 15)
&& XINT (XEXP (value, 0), 1) == UNSPEC_GOTPCREL)
return 1;
else if (GET_CODE (XEXP (value, 0)) == PLUS)
{
@ -4629,8 +4628,7 @@ ix86_find_base_term (x)
|| GET_CODE (XEXP (term, 1)) == CONST_DOUBLE))
term = XEXP (term, 0);
if (GET_CODE (term) != UNSPEC
|| XVECLEN (term, 0) != 1
|| XINT (term, 1) != 15)
|| XINT (term, 1) != UNSPEC_GOTPCREL)
return x;
term = XVECEXP (term, 0, 0);
@ -4653,8 +4651,7 @@ ix86_find_base_term (x)
term = XEXP (term, 0);
if (GET_CODE (term) != UNSPEC
|| XVECLEN (term, 0) != 1
|| XINT (term, 1) != 7)
|| XINT (term, 1) != UNSPEC_GOTOFF)
return x;
term = XVECEXP (term, 0, 0);
@ -4699,8 +4696,7 @@ legitimate_pic_address_disp_p (disp)
/* We are unsafe to allow PLUS expressions. This limit allowed distance
of GOT tables. We should not need these anyway. */
if (GET_CODE (disp) != UNSPEC
|| XVECLEN (disp, 0) != 1
|| XINT (disp, 1) != 15)
|| XINT (disp, 1) != UNSPEC_GOTPCREL)
return 0;
if (GET_CODE (XVECEXP (disp, 0, 0)) != SYMBOL_REF
@ -4716,17 +4712,15 @@ legitimate_pic_address_disp_p (disp)
disp = XEXP (disp, 0);
}
if (GET_CODE (disp) != UNSPEC
|| XVECLEN (disp, 0) != 1)
if (GET_CODE (disp) != UNSPEC)
return 0;
/* Must be @GOT or @GOTOFF. */
switch (XINT (disp, 1))
{
case 6: /* @GOT */
case UNSPEC_GOT:
return GET_CODE (XVECEXP (disp, 0, 0)) == SYMBOL_REF;
case 7: /* @GOTOFF */
case UNSPEC_GOTOFF:
return local_symbolic_operand (XVECEXP (disp, 0, 0), Pmode);
}
@ -4998,7 +4992,7 @@ legitimize_pic_address (orig, reg)
base address (@GOTOFF). */
current_function_uses_pic_offset_table = 1;
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), 7);
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), UNSPEC_GOTOFF);
new = gen_rtx_CONST (Pmode, new);
new = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, new);
@ -5014,7 +5008,7 @@ legitimize_pic_address (orig, reg)
if (TARGET_64BIT)
{
current_function_uses_pic_offset_table = 1;
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), 15);
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), UNSPEC_GOTPCREL);
new = gen_rtx_CONST (Pmode, new);
new = gen_rtx_MEM (Pmode, new);
RTX_UNCHANGING_P (new) = 1;
@ -5034,7 +5028,7 @@ legitimize_pic_address (orig, reg)
Global Offset Table (@GOT). */
current_function_uses_pic_offset_table = 1;
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), 6);
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), UNSPEC_GOT);
new = gen_rtx_CONST (Pmode, new);
new = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, new);
new = gen_rtx_MEM (Pmode, new);
@ -5075,7 +5069,8 @@ legitimize_pic_address (orig, reg)
if (!TARGET_64BIT)
{
current_function_uses_pic_offset_table = 1;
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, op0), 7);
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, op0),
UNSPEC_GOTOFF);
new = gen_rtx_PLUS (Pmode, new, op1);
new = gen_rtx_CONST (Pmode, new);
new = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, new);
@ -5394,16 +5389,16 @@ output_pic_addr_const (file, x, code)
output_pic_addr_const (file, XVECEXP (x, 0, 0), code);
switch (XINT (x, 1))
{
case 6:
case UNSPEC_GOT:
fputs ("@GOT", file);
break;
case 7:
case UNSPEC_GOTOFF:
fputs ("@GOTOFF", file);
break;
case 8:
case UNSPEC_PLT:
fputs ("@PLT", file);
break;
case 15:
case UNSPEC_GOTPCREL:
fputs ("@GOTPCREL(%RIP)", file);
break;
default:
@ -5456,7 +5451,7 @@ i386_simplify_dwarf_addr (orig_x)
{
if (GET_CODE (x) != CONST
|| GET_CODE (XEXP (x, 0)) != UNSPEC
|| XINT (XEXP (x, 0), 1) != 15
|| XINT (XEXP (x, 0), 1) != UNSPEC_GOTPCREL
|| GET_CODE (orig_x) != MEM)
return orig_x;
return XVECEXP (XEXP (x, 0), 0, 0);
@ -5492,8 +5487,8 @@ i386_simplify_dwarf_addr (orig_x)
x = XEXP (XEXP (x, 1), 0);
if (GET_CODE (x) == UNSPEC
&& ((XINT (x, 1) == 6 && GET_CODE (orig_x) == MEM)
|| (XINT (x, 1) == 7 && GET_CODE (orig_x) != MEM)))
&& ((XINT (x, 1) == UNSPEC_GOT && GET_CODE (orig_x) == MEM)
|| (XINT (x, 1) == UNSPEC_GOTOFF && GET_CODE (orig_x) != MEM)))
{
if (y)
return gen_rtx_PLUS (Pmode, y, XVECEXP (x, 0, 0));
@ -5503,8 +5498,9 @@ i386_simplify_dwarf_addr (orig_x)
if (GET_CODE (x) == PLUS
&& GET_CODE (XEXP (x, 0)) == UNSPEC
&& GET_CODE (XEXP (x, 1)) == CONST_INT
&& ((XINT (XEXP (x, 0), 1) == 6 && GET_CODE (orig_x) == MEM)
|| (XINT (XEXP (x, 0), 1) == 7 && GET_CODE (orig_x) != MEM)))
&& ((XINT (XEXP (x, 0), 1) == UNSPEC_GOT && GET_CODE (orig_x) == MEM)
|| (XINT (XEXP (x, 0), 1) == UNSPEC_GOTOFF
&& GET_CODE (orig_x) != MEM)))
{
x = gen_rtx_PLUS (VOIDmode, XVECEXP (XEXP (x, 0), 0, 0), XEXP (x, 1));
if (y)
@ -7492,7 +7488,7 @@ ix86_expand_fp_compare (code, op0, op1, scratch, second_test, bypass_test)
else
{
tmp = gen_rtx_COMPARE (fpcmp_mode, op0, op1);
tmp2 = gen_rtx_UNSPEC (HImode, gen_rtvec (1, tmp), 9);
tmp2 = gen_rtx_UNSPEC (HImode, gen_rtvec (1, tmp), UNSPEC_FNSTSW);
if (!scratch)
scratch = gen_reg_rtx (HImode);
emit_insn (gen_rtx_SET (VOIDmode, scratch, tmp2));
@ -7515,7 +7511,7 @@ ix86_expand_fp_compare (code, op0, op1, scratch, second_test, bypass_test)
{
/* Sadness wrt reg-stack pops killing fpsr -- gotta get fnstsw first. */
tmp = gen_rtx_COMPARE (fpcmp_mode, op0, op1);
tmp2 = gen_rtx_UNSPEC (HImode, gen_rtvec (1, tmp), 9);
tmp2 = gen_rtx_UNSPEC (HImode, gen_rtvec (1, tmp), UNSPEC_FNSTSW);
if (!scratch)
scratch = gen_reg_rtx (HImode);
emit_insn (gen_rtx_SET (VOIDmode, scratch, tmp2));

387
gcc/config/i386/i386.md
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